Abstract

Objective: To evaluate the prevalence of toxocariasis in individuals with the normal and abnormal level of liver enzymes. Methods: In this case-control study, the serum samples were collected in the individuals referred to diagnostic laboratories of Arak in Iran. A total of 144 sera with abnormal level of liver enzymes were selected as cases and the same numbers of sera with the normal level of liver enzymes also were selected as controls. The sera were examined for anti-Toxocara IgG. Results: Twelve (4.2%) sera contained anti-Toxocara antibody and all of them were in the case group. Although the mean of all liver enzymes was significantly different in the two groups (P < 0.05), statistical test showed no relationship between the level of liver enzymes and toxocariasis. Conclusions: It was concluded that the liver enzyme alteration is not the valid indicator for predicting toxocariasis. Because the kind of liver dysfunction, that is caused by the larvae of Toxocara, is unspecified, and it seems factors such as the number of larvae can play a basic role for the emergence of alterations.

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